<template>

    <div>
        <el-breadcrumb separator="/" style="color: black;font-weight: 700">
            <el-breadcrumb-item >首页</el-breadcrumb-item>
            <el-breadcrumb-item>航班查询</el-breadcrumb-item>
            <el-breadcrumb-item>机场信息</el-breadcrumb-item>
        </el-breadcrumb>
        <h1>机场信息查询</h1>
        <!--      搜索表单-->
        <el-row :gutter="24">
            <el-col :span="3">
                <el-button type="primary" @click="openAddDialog" style="display: none">添加</el-button>
            </el-col>
            <el-col :span="5">
                <el-form-item label="航班号" >
                    <el-input placeholder="航班号" v-model="searchCriteria.META_ID" clearable />
                </el-form-item>
            </el-col>
            <el-col :span="5">
                <el-form-item label="中文名" >
                    <el-input placeholder="中文名" v-model="searchCriteria.CNNM" clearable />
                </el-form-item>
            </el-col>
            <el-col :span="5">
                <el-form-item label="英文名" >
                    <el-input placeholder="英文名" v-model="searchCriteria.ENNM" clearable />
                </el-form-item>
            </el-col>
            <el-col :span="6">
                <el-form-item>
                    <el-button type="primary" @click="searchOnSubmit">{{ buttonLabel }}</el-button>
                    <el-button @click="searchOnReset">取消</el-button>
                </el-form-item>
            </el-col>
        </el-row>


        <el-table :data="tableData" style="width: 100%">
            <el-table-column
                    :prop="item.prop"
                    :label="item.label"
                    v-for="(item, index) in tableHeader"
                    :key="item.prop"
            >
                <template #default="scope">
                    <div
                            v-show="item.editable || scope.row.editable"
                            class="editable-row"
                    >
                        <template v-if="item.type === 'input'">
                            <el-input
                                    v-bind="{ readonly: ['ID', 'META_ID'].includes(item.prop) && scope.row.editable }"
                                    size="small"
                                    v-model="scope.row[item.prop]"
                                    :placeholder="`请输入${item.label}`"
                                    @change="handleEdit(scope.$index, scope.row)"
                            />
                        </template>

                    </div>
                    <div
                            v-show="!item.editable && !scope.row.editable"
                            class="editable-row"
                    >
                        <span class="editable-row-span">{{ scope.row[item.prop] }}</span>
                    </div>
                </template>
            </el-table-column>
            <el-table-column label="操作">
                <template #default="scope">
                    <el-button
                            size="small"
                            type="warning"
                            disabled
                    >您没有任何操作权限</el-button
                    >
                </template>
            </el-table-column>
        </el-table>
      <!--     分页组件示例 -->
      <el-pagination
          :current-page="currentPage"
          v-model="currentPage"
          :small="small"
          :disabled="disabled"
          :background="background"
          :page-size="pageSize"
          layout="prev, pager, next, jumper"
          :total=totalElements
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          v-if="showPagination"
      />
      <!-- 新的分页组件，用于搜索结果 -->
      <el-pagination
          v-if="showSearchPagination"
          background
          :total="searchTotalElements"
          :current-page="searchCurrentPage"
          :page-size="searchPageSize"
          @current-change="handleSearchPageChange"
          style="margin-top: 20px;"
          v-model="currentPage"
          :small="small"
          :disabled="disabled"
          :background="background"
          layout="prev, pager, next, jumper"
          @size-change="handleSizeChange"
      />


        <!-- 添加航班信息模态框 -->
        <el-dialog v-model="dialogVisible" title="添加机场信息" width="50%" @close="resetAddForm">
            <el-form ref="addFormRef" :model="newFlight" label-width="80px">
                <el-form-item label="航班号">
                    <el-input v-model="newFlight.metaid"  placeholder="请输入航班号" />
                </el-form-item>
                <el-form-item label="机场三字码">
                    <el-input v-model="newFlight.code" placeholder="请输入机场三字码" />
                </el-form-item>
                <el-form-item label="机场中文名">
                    <el-input v-model="newFlight.cnnm" placeholder="请输入机场中文名" />
                </el-form-item>
                <el-form-item label="机场英文名">
                    <el-input v-model="newFlight.ennm"  placeholder="请输入机场英文名"/>
                </el-form-item>
                <el-form-item label="机场是否开启">
                    <el-input v-model="newFlight.aiso"  placeholder="请输入机场是否开启，O表示开启，C表示关闭"/>
                </el-form-item>
                <el-form-item label="机场所属航站">
                    <el-input v-model="newFlight.apsn"  placeholder="请输入机场所属航站"/>
                </el-form-item>
                <!-- 其他字段... -->
            </el-form>
            <template #footer>
      <span class="dialog-footer">
        <el-button @click="dialogVisible = false">取消</el-button>
        <el-button type="primary" @click="onAddHandler">确定</el-button>
      </span>
            </template>
        </el-dialog>
    </div>
</template>


<script setup>
    import { ref, reactive, onMounted,onUpdated,computed,nextTick } from 'vue';
    import {ElMessage, ElMessageBox} from 'element-plus'
    import axios from 'axios';
    import {number} from "echarts"; // 确保已导入axios

    const small = ref(false)
    const background = ref(true)
    const disabled = ref(false)

    const handleSizeChange = (val) => {
      console.log(`${val} items per page`)
    }

    // 定义表单数据
    const item = reactive({
        ID: '',
        META_ID: '',
        CODE: "",
        CNNM: "",
        ENNM: '',
        AISO: '',
        APSN: '',
        VALID: "",
        displayStatus:"",
    });

    const header = {
        prop: "key",
        label: "自定义",
        editable: false,
        type: "input",
    };

    const tableHeader = ref([

        {
            prop: "META_ID",
            label: "航班号",
            editable: false,
            type: "input"
        },
        {
            prop: "CODE",
            label: "机场三字码",
            editable: false,
            type: "input"
        },
        {
            prop: "CNNM",
            label: "机场中文名",
            editable: false,
            type: "input"
        },
        {
            prop: "ENNM",
            label: "机场英文名",
            editable: false,
            type: "input"
        },
        {
            prop: "AISO",
            label: "机场是否开启",
            editable: false,
            type: "input"
        },
        {
            prop: "APSN",
            label: "机场所属航站",
            editable: false,
            type:"input"
        },
        {
            prop: "displayStatus",
            label: "状态",
            editable: false,
            type: "select", // 将类型更改为'select'
            options: [
                { label: "启用", value: 1 },
                { label: "禁用", value: 0 },
            ],
        },
    ]);

    const tableData = ref([]);





    //分页相关状态
    const currentPage = ref(1); // 当前页码，默认为第一页
    const pageSize = ref(5); // 每页显示数量，默认为5条
    const totalElements = ref(0);

    // 初始化时加载第一页数据
    onMounted(() => {
        fetchFlightData();
        showPagination.value = true;
    });
    onUpdated(() => {
    });

    // 添加分页导航的处理函数，比如上一页、下一页、跳转到特定页
    function handleSearchPageChange(page) {
        searchCurrentPage.value = page;
        searchOnSubmit(page); // 重新执行搜索并传递当前页码
    }
    function handleCurrentChange(page) {
        currentPage.value = page;
        fetchFlightData(page);
    }

    // 更新fetchUserData函数以支持分页查询
    async function fetchFlightData(current = currentPage.value, size = pageSize.value) {
        try {
            const response = await axios.get('/airport/page', {
                params: {
                    currentPage: current,
                    pageSize: size
                }
            });
            if (!response.data.errorCode || response.data.errorCode === "200") {
                // 更新tableData时，考虑分页数据结构
                //将接口返回的数据通过map方法遍历并转换为新的对象数组
                tableData.value = response.data.data.map(airPort => ({
                    ID: airPort.id,
                    META_ID: airPort.metaid,
                    CODE: airPort.code,
                    CNNM: airPort.cnnm,
                    ENNM: airPort.ennm,
                    AISO: airPort.aiso,
                    APSN: airPort.apsn,
                    VALID: airPort.valid,
                    // 添加新属性用于展示，根据VALID值决定
                    displayStatus: airPort.valid === 1 ? '启用' : '禁用',
                    editable: false,
                }));
                totalElements.value = response.data.total;
            } else {
                ElMessage.error(response.data.msg || '获取数据失败');
                console.error('Failed to fetch data. ErrorCode:', response.data.errorCode, ', Message:', response.data.msg);
            }
        } catch (error) {
            ElMessage.error('获取数据过程中发生错误');
            console.error('Error fetching data:', error);
        }
    }


    //模糊查询
    const searchCriteria = reactive({
        META_ID: '',
        CNNM: '',
        ENNM: '',
    });
    const showPagination = ref(true);

    const buttonLabel = computed(() => {
        showPagination.value =
            searchCriteria.META_ID.trim() !== ''
            || searchCriteria.CNNM.trim() !== ''
            || searchCriteria.ENNM.trim() !== '';
        return searchCriteria.META_ID.trim() === ''
        && searchCriteria.CNNM.trim() === ''
        && searchCriteria.ENNM.trim() === ''
            ? '查询所有'
            : '条件查询';
    });

    const searchCurrentPage = ref(1);
    const searchPageSize = ref(7);
    const searchTotalElements = ref(0);
    const showSearchPagination = ref(false);

    async function searchOnSubmit() {

        try {
            const response = await axios.get(`/airport/get`, {
                params: {
                    ...searchCriteria,
                    currentPage: searchCurrentPage.value,
                    pageSize: searchPageSize.value,
                }
            });

            if (!response.data.errorCode || response.data.errorCode === "200") {
                tableData.value = response.data.data.map(airPort => ({
                    ID: airPort.id,
                    META_ID: airPort.metaid,
                    CODE: airPort.code,
                    CNNM: airPort.cnnm,
                    ENNM: airPort.ennm,
                    AISO: airPort.aiso,
                    APSN: airPort.apsn,
                    VALID: airPort.valid,
                    // 添加新属性用于展示，根据VALID值决定
                    displayStatus: airPort.valid === 1 ? '启用' : '禁用',
                    editable: false,
                }));
                searchTotalElements.value = response.data.total;
                if (response.data.total > 10) {
                    showSearchPagination.value = true; // 显示搜索结果的分页
                }
                showPagination.value = false; // 隐藏原来的分页
            } else {
                ElMessage.error('查询失败，请检查输入或重试');
                console.error('查询失败:', response.data.message || '未提供错误信息');
            }
        } catch (error) {
            ElMessage.error('查询过程中发生错误');
            console.error('查询错误:', error);
        }
    }

    //取消
    const searchOnReset = async () => {
        searchCriteria.META_ID = "";
        searchCriteria.ENNM = "";
        searchCriteria.CNNM = "";
        await fetchFlightData();
        showPagination.value = true;
        showSearchPagination.value = false;
    };

    // 添加航班信息的对话框状态
    const dialogVisible = ref(false);

    // 新航班信息对象
    const newFlight = reactive({
        metaid: '',
        code: "",
        cnnm: "",
        ennm: "",
        aiso: "",
        apsn: "",
    });

    // 添加表单的引用
    const addFormRef = ref( null);

    // 打开添机场信息的模态框
    const openAddDialog = () => {
        dialogVisible.value = true;
    };

    // 重置添加表单
    const resetAddForm = () => {
        newFlight.metaid = '';
        newFlight.code = "";
        newFlight.cnnm = "";
        newFlight.ennm = "";
        newFlight.aiso = "";
        newFlight.apsn = "";
    };

    // 添加机场信息的处理函数
    async function onAddHandler() {
        try {
            // 验证表单
            if (!addFormRef.value) return;

            //  校验航班号必须是6位的数字
            if (!/^[1-9]\d{5}$/.test(newFlight.metaid)) {
                ElMessage.warning('航班号格式不正确，请输入正确的格式[六位数字]');
                return;
            }
            //校验机场是否可用
            if (!/^[OCoc]$/.test(newFlight.aiso)) {
                ElMessage.warning('输入O表示开启，输入C表示关闭，请重新输入');
                return;
            }

            // 发送添加请求到后端
            const response = await axios.post('/airport/add', newFlight);

            if (!response.data.errorCode || response.data.errorCode === "200") {
                ElMessage.success('添加成功');
                dialogVisible.value = false; // 关闭模态框
                await fetchFlightData(); // 刷新表格数据
            } else {
                ElMessage.error(response.data.msg || '添加失败，请重试');
            }
        } catch (error) {
            console.error('Error adding data:', error);
            ElMessage.error('添加过程中发生错误');
        }
    }

    // 删除航班信息
    async function deleteFlightData(ID) {
        // 使用ElMessageBox显示确认对话框
        const confirmResult = await ElMessageBox.confirm(
            '确定要删除这条航班信息吗？',
            '删除确认',
            {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }
        );
        // 如果用户点击了确认按钮（confirm）
        if (confirmResult === 'confirm') {
            try {
                const response = await axios.delete(`/airport/delete/${ID}`);

                if (!response.data.errorCode || response.data.errorCode === "200") {
                    await fetchFlightData();
                    ElMessage.success('删除成功');
                } else {
                    ElMessage.error('删除失败，请重试');
                }
            } catch (error) {
                console.error('Error deleting data:', error);
                ElMessage.error('删除失败');
            }
        }
        // 如果用户点击取消，则什么都不做，对话框自动关闭
    }

    //切换表格行进入编辑模式
    function handleEdit(row) {
        row.editable = true;
    }


    // 修改
    async function saveEditedRow(row) {
        try {
            const updatedFlight = {
                id: row.ID,
                META_ID: row.META_ID,
                code: row.CODE,
                cnnm: row.CNNM,
                ennm: row.ENNM,
                aiso: row.AISO,
                apsn: row.APSN,
            };

            const response = await axios.put(`/airport/update`, updatedFlight);

            if (!response.data.errorCode || response.data.errorCode === "200") {
                ElMessage.success('更新成功');
                row.editable = false;
                await fetchFlightData();
            } else {
                ElMessage.error(response.data.msg || '更新失败，请重试');
            }
        } catch (error) {
            console.error('Error updating data:', error);
            ElMessage.error('更新过程中发生错误');
        }
    }

    //取消修改按钮
    const cancelEdit = (row) => {
        row.editable = false;
        //    恢复原来数据
        Object.assign(row, {
            ID: row.ID,
            META_ID: row.META_ID,
            CODE: row.CODE,
            CNNM: row.CNNM,
            ENNM: row.ENNM,
            AISO: row.AISO,
            APSN: row.APSN,
        });
        ElMessage.warning('已取消修改');
        fetchFlightData();
    };
</script>

<style scoped>
.demo-pagination-block + .demo-pagination-block {
  margin-top: 20px;
}
.demo-pagination-block .demonstration {
  margin-bottom: 16px;
}
</style>